_Moderator comment: This is a duplicate post to one made in the Community Discussions and Support category. Please direct your attention to that discussion. https://community.pmail.com/index.php?u=/topic/12480/a-new-mail-when-read-disappears#post-59105 _ When a new mail is read, the mail disappears when I move to another mail. I check "Pegasus New mail", trash, ... I use Pegasus since 1994, without problems. I use IMAP WINdows 11 25H Pegasus Mail for Microsoft Windows Copyright (C) 1992-2025, David Harris, all rights reserved Electronic mail to support@pmail.gen.nz. WinPMail version: Version v4.91.1746, 11 Aug 2025 18:19:07, build ID 1746 Language resources: Standard UK English resources (EN,0,LL) Extension Manager version: 1.14 Operating mode: Standalone User name and ID: chantal, 0 Windows version: 6.2 Windows flag word: 0 WINPMAIL.EXE directory: C:\Programs Tiv\Telecom\Pegasus\Install\Programs Home mailbox location: C:\PROGRAMS TIV\TELECOM\PEGASUS\chantal New mailbox location: C:\PROGRAMS TIV\TELECOM\PEGASUS\chantal TMP environment variable: C:\Users\Chantal\AppData\Local\Temp TEMP environment variable: C:\Users\Chantal\AppData\Local\Temp LAN-based SMTP support: N, N, N NetWare MHS support: N, N, N Built-in TCP/IP support: Enabled - WINSOCK version: WinSock 2.0 - WINSOCK path: WSOCK32.DLL Commandline: -A Active -Z options: 32768 PMR variable: (None) PML variable: (None) MAI variable: (None) NB variable: (None) Autofiltering folders: 0 (0 active, 0 inactive) Last new mail count: 0 Message size soft limit: 0 bytes Message size hard limit: 0 bytes Attachment size soft limit: 0 bytes Attachment size hard limit: 0 bytes How to proceed ? Thanks Pierre